The silicone hose is soft and elastic and it can be expanded within a certain range. It can be expanded mechanically or by fluid pressure, such as compressed air, to expand the caliber of the hose. The extent of expand silicone hose's expansion depends on the material of the silicone and the wall thickness of the hose.

However, please noted that the silicone hose cannot be expanded to accommodate errors. If you choose a hose, which is too small, it will shear the inner side of the hose and could result in pieces of silicone coming loose and working there way into your system. They are not suitable for turbo, radiators or air intakes. If you choose a hose, which is too big, you will risk over clamping which will simply damage the hose.

Hoses are selected by internal diameter not external diameter. The most important point is to choose a silicone hose with a suitable inner diameter instead of trying to change the hose by expand. Welcome to inquiry and order!

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